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Is there a point/score system? Can I tell that you have found the solution somewhere?

Thank you xb12x2 for pointing that out. I found out an error in the firmware and I was not sending the correct value in the device descriptor. :)

Thanks a lot guys, I will look into it.

I'll keep you posted.

To help understanding my question, here is the dmesg output when I connect my device:

[607170.226639] usb 3-2: new full-speed USB device number 26 using xhci_hcd
[607170.242951] usb 3-2: device...

I have developed a custom USB 2 device that communicate with a computer via a USB port. WHen I plug it on a USB 3 port, the device is not recognized by xhci_hcd. On a USB 2 port, it works fine. My...

Hi raffaele2,

For something robust, Udev rule is your best really your best shot.

Example of UDEV rule:

SUBSYSTEM=="usb", ENV{DEVTYPE}=="usb_device", ATTR{idVendor}=="YOUR VENDOR ID",...

Ok, I found my error.

My mutex was not properly initialzed.

Stupid error. :)

Sorry, I don't know why the code is all messed up.

Sorry my code was not correctly formatted

Here it is again:



void CDataLogger::run(){ static GeneralInformations toto;
QDataStream out(m_File); // we will serialize the data into...

Hi,

I have a small QT application that needs to serialize some data periodically. I'm using a QThread with QMutex to protect my resources.

Here is the code I use inside my QThread. I don't know...

I'm 32,

I use it for robotic engineering.